Page 62 - 《橡塑技术与装备》英文版2026年1月

HINA R&P TECHNOLOGY AND EQUIPMENT

experiments, and scenes. 3DMax is used to construct the three- the interaction process between various instruments and
dimensional scene and process flow of the rubber mixing equipment. The design process of the virtual simulation system
workshop, and all the built models are placed in the Unity3D for rubber mixing process is shown in Figure 1.
platform for association. C# coding is used to implement

Figure 1 Design process of virtual simulation of rubber mixing process

2 Composition design of virtual the scene, enabling them to have the function of decentralized
simulation system for rubber mixing feeding. Finally, a highly simulated three-dimensional model
process was achieved, reflecting the simulation nature of the carbon
Firstly, modeling is carried out for the rubber mixing black storage model. The comparison between the modeling of
unit, with the main modeling equipment including the carbon the carbon black storage tank and the actual scene is shown in
black storage and powder weighing system, oil conveying figure 2.
and weighing system, rubber cutting machine, belt conveyor,
internal mixer, open mill, rubber sheet cooler, etc. . For the
rotating and movable structural parts of the equipment such
as couplings, shafts, rotors, etc., coordinate axes are set up
for separate modeling to facilitate the implementation of the
instrument's motion process and assembly process. Due to the
numerous equipment, the carbon black storage and powder
weighing system is taken as an example for design description,
and other parts are designed and implemented according to
similar steps. Figure 2 Comparison between the modeled black
There are various types of carbon black, which serves storage tank and the actual scene
as a reinforcing agent for rubber and is an indispensable raw
material in the rubber mixing process. Due to the need to add The feeding process of carbon black and the weighing
multiple types of carbon black during the batching process, process of powder are implemented through a particle system
multiple sets of carbon black storage tanks have been designed. on the Unity3D platform. The particles are dynamic, and their
Based on these characteristics, modeling design was carried size and speed can change with the change of cycle or speed.
out with reference to the physical model of the enterprise. Firstly, create a scanning effect by adding color, scanning
Firstly, diffuse reflection was performed using software to add width, and other attribute values to the model of the part that
materials, followed by rendering processing to obtain detailed needs to be transparent; then establish a formula to define the
scene textures. Textures were attached to different materials, direction, shape, and size of the particle emitter, set the initial
pipelines, and equipment, which were then imported into state and gravitational acceleration; change the object material
the Unity3D platform separately. The relative positions of to transparent material to avoid being too rigid, and overlay
each part were arranged on the platform. Virtual simulation brightness, then start to implement the transparent function.
modeling was conducted for the pipeline connections, circuit Through multiple V-Ray rendering engines, the transparent
distribution, and scene lighting of the carbon black tanks in effect and animation display effect are achieved. Finally, the

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